The preliminary examination consists of two papers consisting objective type or multiple choice questions:
The GS paper has 100 questions carrying two marks each while the CSAT has 80 questions carrying 2.5 marks each. There is a penalty of 33% marks out of the allocated marks for every wrong answer. The CSAT paper (paper 2) is evaluated first and GS Paper or Paper 1 is evaluated only of those candidates who have qualified in Paper 2 or got 33% or 66 marks in CSAT. The candidates are shortlisted for the mains on the basis of their scores in paper 1.
Topic Wise list of Study Material to be fallowed for Prelims
CSAT-I : - Reference Books
CSAT-II : - Reference Books